Codes and ciphers
Discusses the difference between codes and ciphers, examines common codes and ciphers that have been used during wars, and explains how to create simple ciphers.
QEB Pub.
2008
9781595665942
book
Holdings
| hid | mid | miid | nid | wid | location_code | location | barcode | callnum | dewey | created | updated |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1960908 | 5545934 | 2450 | 260435 | 135043 | GRBS | 235 | GRBS028182 | 652.8 GIL | 652.8 | 1582575937 | 1742569409 |
| 2413405 | 5939816 | 2413 | 260435 | 135043 | PYE | 374 | PYE4000018 | 652 GIL | 652 | 1637782573 | 1736800991 |
| 2699669 | 6194843 | 2376 | 260435 | 135043 | DUE | 154 | DNE90076 | 652 GIL | 652 | 1637782573 | 1736800991 |
| 2945296 | 6419771 | 2404 | 260435 | 135043 | NEI | 344 | NWK0094004 | 652 Gil | 652 | 1637782573 | 1736800991 |
| 3961823 | 7235239 | 2391 | 260435 | 135043 | LYE | 289 | LYE0035125 | 652 GIL | 652 | 1736800991 | 1736800991 |